Restart Apache (if present) from role PHP when needed

defaults/main.yml

+php_called_from_apache: false
 php_needs_oci8: false
 php_conf_dir: 'conf.d'
 php_allow_call_time_pass_reference: 'on'

handlers/main.yml

+---
+# file: roles/php/handlers/php.yml
+
+- name: "PHP | Restart Apache"
+  debug: msg="Need to restart Apache server"
+  when: php_called_from_apache
+  changed_when: php_called_from_apache
+  notify:
+    - "Apache | Restart Apache"

tasks/php.yml

@@ -18,6 +18,8 @@
     - php5-xdebug
     - php5-dev
     - php-pear
+  notify:
+    - "PHP | Restart Apache"
 
 # TODO: Upgrade APCu on Ubuntu 14.04
 # @see https://github.com/owncloud/core/issues/14175#issuecomment-74573088
@@ -31,6 +33,8 @@
     owner=root
     group=root
     mode=0644
+  notify:
+    - "PHP | Restart Apache"
 
 - name: "PHP | Cache configuration file, apc.ini"
   template:
@@ -39,6 +43,8 @@
     owner=root
     group=root
     mode=0644
+  notify:
+    - "PHP | Restart Apache"
 
 - name: "PHP | Create extra directory for browscap"
   file:
@@ -55,6 +61,8 @@
     owner=root
     group=root
   when: php_browscap
+  notify:
+    - "PHP | Restart Apache"
 
 - name: "PHP | Enable PHP modules"
   shell: php5enmod {{ item }}
@@ -62,6 +70,8 @@
     - mcrypt
     - imap
   when: php_conf_dir == 'mods-available'
+  notify:
+    - "PHP | Restart Apache"
 
 - name: "PHP | Create htdocs directory for apc status"
   file:
@@ -83,6 +93,8 @@
   when: php_needs_oci8
   ignore_errors: yes
   changed_when: oci_available.stdout != '/usr/lib/php5/20090626/pdo_oci.so'
+  notify:
+    - "PHP | Restart Apache"
 
 - include: oci.yml
   when: repository is defined and php_needs_oci8 and oci_available.stdout != '/usr/lib/php5/20090626/pdo_oci.so'